Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
When meal times no longer focus on food
There’s little doubt that humanity has been tipping the scales at increasingly higher weights and rates. A study now lends support to the idea that meal-time distractions can mask the cues that we really have eaten quite enough. Moreover, it finds, the caloric fallout of not paying attention to what we’re eating doesn’t necessarily end when a meal is over.
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- Life
Aerobic exercise boosts memory
Regular walking improved seniors' recall and reversed declines in the size of a brain structure important for remembering.
- Humans
Amoebas in drinking water: a double threat
Analysis reveals widespread, hidden contamination by the sometimes lethal parasites.
- Health & Medicine
Prosthetics that feel
Re-creating a 'sense of touch' for prosthetic limbs may someday improve how people use them.
- Humans
Hints of earlier human exit from Africa
New finds suggest surprisingly early migrations by Homo sapiens out of Africa through an oasis-studded Arabia.
- Tech
Pint-sized Princess Leia nearer reality
Faster but fuzzier holographic 3-D teleconferencing debuts.
- Humans
Intel Science Talent Search picks top 40
High school researchers to present original work in Washington, D.C.
- Health & Medicine
Mass vaccination could slow cholera
Immunizing people at the outset of an outbreak would limit the number of cases and deaths, an analysis finds.
- Health & Medicine
U.S. lags in life expectancy gains
Among developed countries, Americans spend the most on health care even as they fall behind in extending longevity, a new study finds.
- Health & Medicine
Sleep makes the memory
Napping while reliving memories stabilizes people’s ability to recall them later.
- Psychology
Stage set early for success, or failure
Youngsters who lack self-control tend to hurtle toward a harsh rendezvous with adulthood.
